Jackson Galaxy, star of Animal Planet's My Cat from Hell (Saturdays at 8 p.m. E/P), makes his living helping cat parents who have almost given up hope of solving their pet problems. He revealed to us the top three cat crises he's called in to solve.

PETFINDER: What cat-behavior issues do you see most?
Litter box issues, territory/aggression and integration -- introducing cat-cat, cat-dog, cat-baby, etc.

Why do you think those three are so prevalent?
By and large, it comes from lack of understanding of how your cat sees the world -- in terms of ownership or territory.

After the jump, Jackson's tips for solving these problems.

January is National Train Your Dog Month. To celebrate, we're holding a live dog-training Q&A on our Facebook page this Friday, Jan. 27, from 12-2 p.m. ET! Dog-training expert and CEO of the Association of Pet Dog Trainers Mychelle Blake is joining us to answer your questions.

How to participate:

• "Like" Petfinder on Facebook
• Visit our Facebook page this Friday, Jan. 27, from 12-2 p.m. ET
• Ask your dog-training and behavior questions!

About Mychelle Blake:
Mychelle Blake, MSW, CDBC, is the CEO and executive director of the Association of Pet Dog Trainers, an organization dedicated to promoting education for dog trainers.

Mychelle has a masters in social welfare from the University of California, Los Angeles, and is a Certified Dog Behavior Consultant through the International Association of Animal Behavior Consultants. Her background is in working with shelter dogs and cats and she is a community training partner with Best Friends Animal Society. She lives in Las Vegas with her husband and her two dogs, Buzz and Kaylee.

January is National Train Your Dog Month. Check out our dog training videos.

Q: My 4-month-old Lab-mix puppy bites everything -- my kids, their clothes, our hands, my robes. Everything. We've got a wide variety of chew toys and edible bones, which she likes, but redirection only works about one out of three times. What else can we do? She isn't fun to be around for the first few high-energy hours of the day. -- Sara L.

Andrea Arden, CPDT at Andrea Arden Dog Training in New York City, writes: Pups mouth their littermates in play as a way of having fun and learning valuable information about bite inhibition. That is: When they nip too hard, the other pup stops playing.

Likewise, your pup needs to learn that nipping delicate human skin results in the end of the good stuff, albeit just temporarily. Here's how you can teach her: